package ch05;

/**
 * Created by hasee on 2017/6/19.
 */
public class Num {
    private int value;
    public Num (int update)
    {
        value = update;
    }
    public void setValue (int update)
    {
        value = update;
    }
    public String toString ()
    {
        return value + "";
    }
}
